17921180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47161}}^1$

素因数の和:47189

約数の個数: 24

約数和(自身を含む): 39616080

約数和(自身を除く): 21694900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 47161, 94322, 188644, 235805, 471610, 896059, 943220, 1792118, 3584236, 4480295, 8960590, 17921180]

約数ペア:

[(1, 17921180), (2, 8960590), (4, 4480295), (5, 3584236), (10, 1792118), (19, 943220), (20, 896059), (38, 471610), (76, 235805), (95, 188644), (190, 94322), (380, 47161)]